VIM - My cheat sheet

VIM - Vertical Buffer Split

search and replace
-------------------

s/foo/bar/g    changes each 'foo' to 'bar' in the current line.
:%s/foo/bar/g    changes each 'foo' to 'bar' in all lines.
:5,12s/foo/bar/g    changes each 'foo' to 'bar' for all lines between line 5 and line 12.
:'a,'bs/foo/bar/g    changes each 'foo' to 'bar' for all lines between marks a and b.
:.,$s/foo/bar/g    changes each 'foo' to 'bar' for all lines between the current line (.) and the last line ($).
:.,+2s/foo/bar/g    changes each 'foo' to 'bar' for the current line (.) and the two next lines (+2).
:%s is equivalent to :1,$s
:%s/ /\r&/g changes all spaces to line breaks
:%s/\r\+$//e remove windows line endings
:%s/\r//g remove f*ing windows line endings

search & replace multiple files (using arglist)
----------------------------------

vim *.xml
:arg - lists contents or arglist
:argdo %s/test_xml/acceptance\/test_xml/ge | update

search & replace + dlete lines
--------------------
:g/Delete Me/d

g says global
Delete Me is the pattern to delete
d says delete the line

:g!/Delete Me/d

delete all lines that don't include Delete Me

delete trailing whitespace
%s/\s\+$//g
delete leading whitespace
%s/^\s\s*//g

copy lines not starting with http to a buffer
:g!/http.*/y A

buffers
-------

:vert sbN - where N is the buffer number
:sp - normal horizontal split
:vsp - normal vertical split
:ctrl+w + - increase split size by one line

vimgrep
-------

:vimgrep /texttofind/gj ./**/*.feature - This says search for all occurrences of 'texttofind' and recurse through all child directories of current looking in files with .feature extension 

so...

:vimgrep /texttofind/gj ./cucumber/features/*.feature - says search for all occurrences of 'texttofind' in files with .feature extension in the features directory

then when grep has finished do :cw to see the results

Note about 'gj'...'g' says return matches for every line that matches the pattern (i.e. not just the first match) and 'j' inhibits VIMs jumpiness and saves results to the quickfix list.

printing
--------

:hardcopy - generated postscript (also cmd+p)

:set printoptions=portrait:n,number:y - would set postscript to be generated as landscape and print line numbers

diff
--------
svn diff -c 647638 https://repo.dev.bbc.co.uk/ | vim -R -

whitespace
----------
" Show all tabs:
/\t

" Show trailing whitespace:
/\s\+$

" Show spaces before a tab:
/ \+\ze\t

autocomplete (or omnicomplete)
--------------------------------
In edit mode:
crtl+x, crtl+o

tags
------
create tags file...
ctags -R .

need to tell vim where to look for tags files....
set tags=./tags;

If using taglist plugin need to tell it where ctags lives if not /usr/bin or standard location...
let Tlist_Ctags_Cmd = '/usr/local/Cellar/ctags/5.8/bin/ctags'


to update tags file with new methods....
ctags -a

but this does not remove old methods....for this use AutoTag.vim...needs python support, not it has limits on tag file size so if you Bundle locally then this may be why you don't see your tag file being auto updated

Debugging Vim Scripts
---------------------

echom - this will debug so that :messages brings up logging
if you need to debug from python in vimscript - vim.command("echo 'hello from python'")
debug in python with variable interpolation - vim.command('echo "exception %s"' % (file))

You should put this in a dotfiles repo :)